Plesiosauri
n. 蛇颈龙（等于plesiosaur） (plesiosaurus的变形)
🗣️ 情景例句
I said I'd give her an answer in a few days ...
我说这几天给她回答……
I couldn't keep the appointment because I was sick.
我不能赴约因为我病了。
They've got a special exhibition on this month.
这个月他们举办特别的展览。